National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Light Rain

33°F

1°C

Humidity 92%
Wind Speed N 13 G 20 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 24 Mar 3:56 am EDT
Extended Forecast for

South Dennis MA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 41. North wind 6 to 8 mph.

    High: 41 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 32. Southwest wind 3 to 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 46. Southwest wind 6 to 8 mph.

    High: 46 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 37. South wind around 6 mph.

    Low: 37 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of rain before 10am. Mostly cloudy, with a high near 51. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 3am. Cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 47. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. North wind around 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36. North wind around 7 mph.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 41. North wind 6 to 8 mph.
Tonight
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 32. Southwest wind 3 to 7 mph.
Wednesday
Increasing clouds, with a high near 46. Southwest wind 6 to 8 mph.
Wednesday Night
Cloudy, with a low around 37. South wind around 6 mph.
Thursday
A slight chance of rain before 10am. Mostly cloudy, with a high near 51. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 3am. Cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 47. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 25. North wind around 8 mph.
Saturday
Mostly sunny, with a high near 36. North wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 27. South wind around 6 mph becoming west after midnight.
Sunday
Sunny, with a high near 42. West wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 33. Southwest wind around 7 mph.
Monday
Partly sunny, with a high near 47. Southwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
3:11 am EDT Mar 24, 2026
Forecast Valid:
4am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation